阅读说明：本技术 一种三相异步电动机铸铝转子制造加工工艺 (Manufacturing and processing technology of cast-aluminum rotor of three-phase asynchronous motor ) 是由 杨丽君 龚建设 于 2021-01-19 设计创作，主要内容包括：本发明涉及一种三相异步电动机铸铝转子制造加工工艺,其使用了一种三相异步电动机铸铝转子制造加工装置,该三相异步电动机铸铝转子制造加工装置包括底板、支撑机构和打磨机构,所述的底板为圆盘形结构,底板上端面对称安装有支撑机构,支撑机构上安装有打磨机构。本发明可以解决现有铸铝转子加工装置不能将铸铝转子稳定锁紧固定,导致在对端齿打磨时铸铝转子容易发生晃动,影响打磨精度和打磨过后铸铝转子表面的光滑度的问题,还可以解决现有铸铝转子加工装置不能同时对浇筑成型的铸铝转子两端的端齿进行往复打磨,打磨效率低浪费时间的问题。(The invention relates to a manufacturing and processing technology of a three-phase asynchronous motor cast aluminum rotor, which uses a manufacturing and processing device of the three-phase asynchronous motor cast aluminum rotor, the manufacturing and processing device of the three-phase asynchronous motor cast aluminum rotor comprises a bottom plate, a supporting mechanism and a polishing mechanism, the bottom plate is of a disc-shaped structure, the supporting mechanism is symmetrically arranged on the upper end surface of the bottom plate, and the polishing mechanism is arranged on the supporting mechanism. The invention can solve the problems that the cast aluminum rotor is easy to shake when the opposite end teeth are polished, the polishing precision and the smoothness of the surface of the cast aluminum rotor after polishing are affected because the existing cast aluminum rotor processing device cannot stably lock and fix the cast aluminum rotor, and can also solve the problems that the existing cast aluminum rotor processing device cannot simultaneously polish the end teeth at the two ends of the cast aluminum rotor which is formed by pouring in a reciprocating manner, the polishing efficiency is low, and the time is wasted.)

1. The utility model provides a three-phase asynchronous motor cast aluminium rotor manufacturing process technology, it has used a three-phase asynchronous motor cast aluminium rotor to make processingequipment, and this three-phase asynchronous motor cast aluminium rotor makes processingequipment includes bottom plate (1), supporting mechanism (2) and grinding machanism (3), its characterized in that: bottom plate (1) be disc structure, supporting mechanism (2) are installed to bottom plate (1) up end symmetry, install grinding machanism (3) on supporting mechanism (2), wherein:

when the cast aluminum rotor manufacturing and processing device for the three-phase asynchronous motor is used for processing the cast aluminum rotor, the method specifically comprises the following steps:

s1: placing a rotor: manually vertically placing a three-phase asynchronous motor cast aluminum rotor to be processed on a polishing table (35);

s2: clamping and locking: the cast aluminum rotor is locked and limited through a locking screw rod (25) and a locking nut (26), and is stably clamped from the outer wall of the cast aluminum rotor through a clamping unit (27), so that the stability of the cast aluminum rotor is improved;

s3: and (3) reciprocating polishing: after the cast aluminum rotor is fixed, the transmission unit (33) and the reciprocating unit (34) are matched to drive the grinding table (35) to reciprocate up and down, and the grinding block (37) and the grinding unit (39) are matched to grind and flatten the upper end teeth and the lower end teeth of the cast aluminum rotor in a reciprocating manner, so that the surface smoothness of the end teeth is improved, and the friction force of the end teeth and the noise generated when the motor rotates are reduced;

s4: rotor collection: after the end teeth of the cast aluminum rotor are polished to be smooth, the cast aluminum rotor is taken down from a polishing table (35) and collected and managed in a unified way;

the supporting mechanism (2) comprises a side plate (21), a supporting top plate (22), a supporting rod (23), a limiting plate (24), a locking screw rod (25), a locking nut (26) and a clamping unit (27), the upper end surface of the bottom plate (1) is symmetrically provided with side plates (21), the upper end surface of each side plate (21) is provided with a supporting top plate (22), each supporting top plate (22) is of a disc-shaped structure, the middle part of the lower end surface of each supporting top plate (22) is uniformly provided with a supporting rod (23) along the circumferential direction of the supporting top plate, the supporting rods (23) are symmetrically provided with limiting plates (24), the middle parts of the limiting plates (24) are provided with locking screw rods (25), the locking screw rods (25) are symmetrically provided with locking nuts (26) in a, a clamping unit (27) is arranged between the two limit plates (24), and the clamping unit (27) is fixedly arranged in the middle of the support rod (23);

the polishing mechanism (3) comprises a transverse plate (31), a double-shaft motor (32), a transmission unit (33), a reciprocating unit (34), a polishing table (35), a reset spring (36), a polishing block (37), a circular ring plate (38) and a polishing unit (39), the transverse plate (31) is installed in the middle of the upper end face of the supporting top plate (22), a through groove is formed in the middle of the transverse plate (31), the double-shaft motor (32) is installed in the through groove through a motor base, the transmission unit (33) is connected onto an output shaft of the double-shaft motor (32), the reciprocating unit (34) is symmetrically installed on the transmission unit (33), the polishing table (35) is connected onto the reciprocating unit (34), the polishing table (35) is of a disc-shaped structure with a circular hole formed in the middle of the polishing table (35), the polishing table (35) is installed on the supporting rod (23) in a sliding fit mode, the reset spring (36) is evenly arranged, the polishing block (37) is uniformly arranged on the upper end face of the polishing table (35) along the circumferential direction of the polishing block, a circular ring plate (38) is arranged on the outer ring of the polishing block (37), the circular ring plate (38) is arranged on the polishing table (35), and a polishing unit (39) is arranged on the circular ring plate (38) in a rotation fit mode.

2. The manufacturing and processing technology of the cast-aluminum rotor of the three-phase asynchronous motor according to claim 1 is characterized in that: clamping unit (27) including support ring (271), electronic slider (272), expanding spring (273), supporting rod (274), arc splint (275) and arc clamp pad (276), bracing piece (23) middle part fixed mounting have support ring (271), evenly seted up the recess along its circumference on support ring (271) inner wall, install electronic slider (272) through sliding fit's mode in the recess, be provided with expanding spring (273) between electronic slider (272) and the recess, electronic slider (272) mid-mounting has supporting rod (274), install arc splint (275) on supporting rod (274), be provided with arc clamp pad (276) on arc splint (275) inner wall.

3. The manufacturing and processing technology of the cast-aluminum rotor of the three-phase asynchronous motor according to claim 1 is characterized in that: drive unit (33) include transmission shaft (331), drive bevel gear (332), driven bevel gear (333), transfer line (334), axle sleeve (335) and branch (336), the output shaft of biax motor (32) on install transmission shaft (331) through the shaft coupling, install drive bevel gear (332) through the spline on transmission shaft (331), the meshing is connected with driven bevel gear (333) on drive bevel gear (332), install transfer line (334) on driven bevel gear (333), transfer line (334) lower extreme passes through the bearing and installs on bottom plate (1), transfer line (334) middle part cover is equipped with and is used for spacing axle sleeve (335), install branch (336) on axle sleeve (335), branch (336) fixed mounting is in curb plate (21) middle part.

4. The manufacturing and processing technology of the cast-aluminum rotor of the three-phase asynchronous motor according to claim 1 is characterized in that: the reciprocating unit (34) comprises a cam (341), a rotating rod (342), a swinging rod (343), a sector gear (344), a limiting rod (345), a fixing plate (346), a rack plate (347) and a reciprocating slide rail (348), wherein the cam (341) is symmetrically installed on the transmission unit (33) through splines, a sliding groove is formed in the outer wall of the cam (341), the rotating rod (342) is arranged in the sliding groove, the rotating rod (342) is installed on the swinging rod (343) in a rotating fit manner, the sector gear (344) is installed at the right end of the swinging rod (343), the limiting rod (345) is installed in the middle of the sector gear (344) in a rotating fit manner, the limiting rod (345) is fixedly installed on the fixing plate (346), the right end of the sector gear (344) is connected with the rack plate (347) in a gear meshing manner, the rack plate (347) is installed in the reciprocating slide rail (348) in a sliding, the upper end of the rack plate (347) is always in contact with the grinding table (35).

5. The manufacturing and processing technology of the cast-aluminum rotor of the three-phase asynchronous motor according to claim 1 is characterized in that: the polishing unit (39) comprises an electric rotating rod (391), a polishing wheel (392) and a polishing belt (393), wherein Contraband-shaped grooves are uniformly formed in the inner wall of the circular plate (38) along the circumferential direction of the inner wall, the electric rotating rod (391) is installed in the Contraband-shaped groove through a bearing, the polishing wheel (392) is installed in the middle of the electric rotating rod (391), and the polishing wheel (392) is connected through the polishing belt (393).

6. The manufacturing and processing technology of the cast-aluminum rotor of the three-phase asynchronous motor according to claim 1 is characterized in that: the cross section of the polishing block (37) is of a trapezoidal structure, and polishing bulges are uniformly arranged on the end face of the polishing block (37).

Technical Field

The invention relates to the technical field of three-phase asynchronous motors, and particularly provides a manufacturing and processing technology of a three-phase asynchronous motor cast-aluminum rotor.

Background

A three-phase asynchronous motor is a kind of induction motor, and is a kind of motor powered by 380V three-phase alternating current (phase difference 120 degrees) which is simultaneously switched in, and because the rotor and stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds, there is slip ratio, so the motor is called a three-phase asynchronous motor. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion. The rotor of asynchronous motor is composed of rotor core, rotor winding and rotary shaft, in which the rotor winding is a part of asynchronous motor circuit, and its structure can be divided into two types of cage winding and winding, and the cage rotor winding is formed from conducting bar placed in rotor slot and end rings at two ends. For saving steel and improving productivity, the guide bar and the end ring of the low-power asynchronous motor are generally cast by once melting aluminum liquid, so that the surface of the cast aluminum rotor end tooth which is cast can generate convex burrs, the smoothness of the surface of the cast aluminum rotor end tooth is influenced, the friction force of the rotor during rotation can be increased, the three-phase asynchronous motor can generate great noise during rotation, and the end tooth of the three-phase asynchronous motor needs to be polished to improve the smoothness of the surface of the end tooth.

At the in-process of polishing cast aluminium rotor end tooth, according to the shape of end tooth, need will cast aluminium rotor centre gripping fixed polishing again that reciprocates: the existing cast aluminum rotor processing device has the following defects: 1. the conventional cast aluminum rotor machining device cannot stably lock and fix the cast aluminum rotor, so that the cast aluminum rotor is easy to shake when opposite end teeth are polished, and polishing precision and smoothness of the surface of the cast aluminum rotor after polishing are influenced; 2. the existing cast aluminum rotor machining device cannot simultaneously polish end teeth at two ends of a cast aluminum rotor formed by pouring in a reciprocating mode, and polishing efficiency is low, and time is wasted.

Based on the problems, the invention provides a manufacturing and processing technology of a three-phase asynchronous motor cast aluminum rotor, and particularly relates to a manufacturing and processing device of a three-phase asynchronous motor cast aluminum rotor.

Disclosure of Invention

In order to solve the problems, the invention provides a manufacturing and processing technology of a cast-aluminum rotor of a three-phase asynchronous motor, which is used for solving the problems mentioned in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the manufacturing and processing technology of the three-phase asynchronous motor cast aluminum rotor uses a manufacturing and processing device of the three-phase asynchronous motor cast aluminum rotor, the manufacturing and processing device of the three-phase asynchronous motor cast aluminum rotor comprises a bottom plate, a supporting mechanism and a polishing mechanism, the bottom plate is of a disc-shaped structure, the supporting mechanism is symmetrically installed on the upper end face of the bottom plate, and the polishing mechanism is installed on the supporting mechanism.

When the cast aluminum rotor manufacturing and processing device for the three-phase asynchronous motor is used for processing the cast aluminum rotor, the method specifically comprises the following steps:

s1: placing a rotor: manually vertically placing a cast-aluminum rotor of the three-phase asynchronous motor to be processed on a grinding table;

s2: clamping and locking: the cast aluminum rotor is locked and limited through the locking screw rod and the locking nut, and is stably clamped from the outer wall of the cast aluminum rotor through the clamping unit, so that the stability of the cast aluminum rotor is improved;

s3: and (3) reciprocating polishing: after the cast aluminum rotor is fixed, the transmission unit and the reciprocating unit are matched to drive the grinding table to reciprocate up and down, and the grinding block and the grinding unit are matched to grind and flatten the upper end teeth and the lower end teeth of the cast aluminum rotor in a reciprocating manner, so that the surface smoothness of the end teeth is improved, and the friction force of the end teeth and the noise generated when the motor rotates are reduced;

s4: rotor collection: and after the end teeth of the cast aluminum rotor are polished smoothly, the cast aluminum rotor is taken down from the polishing platform, and is collected and managed in a unified manner.

The supporting mechanism include curb plate, roof support, bracing piece, limiting plate, locking screw, lock nut and centre gripping unit, bottom plate up end symmetry install the curb plate, the roof support is installed to the curb plate up end, the roof support is disc structure, the bracing piece is evenly installed along its circumference in the middle part of the terminal surface under the roof support, the symmetry is provided with the limiting plate on the bracing piece, the limiting plate mid-mounting has locking screw, locking nut is installed through screw-thread fit's mode symmetry on the locking screw, two limiting plates between be provided with the centre gripping unit, centre gripping unit fixed mounting is at the bracing piece middle part.

The polishing mechanism comprises a transverse plate, a double-shaft motor, a transmission unit, a reciprocating unit, a polishing table, a return spring, a polishing block, a circular ring plate and a polishing unit, supporting roof up end mid-mounting have a diaphragm, logical groove has been seted up at the diaphragm middle part, logical inslot installs the biax motor through the motor cabinet, be connected with the transmission unit on the output shaft of biax motor, the last symmetry of transmission unit installs reciprocal unit, be connected with the platform of polishing on the reciprocal unit, the platform of polishing is offered the disc structure who has the round hole for the middle part, the platform of polishing passes through sliding fit's mode and installs on the bracing piece, evenly be provided with reset spring along its circumference on the terminal surface under the platform of polishing, evenly install the piece of polishing along its circumference on the bench end of polishing, the piece outer lane of polishing is provided with the ring board, the ring board is installed on the platform of polishing, install the unit of polishing through normal running fit's mode on the.

As a preferred technical scheme, the clamping unit comprises a support ring, a sliding block, a telescopic spring, a clamping rod, an arc-shaped clamping plate and an arc-shaped clamping pad, wherein the support ring is fixedly arranged in the middle of the support ring, grooves are uniformly formed in the inner wall of the support ring along the circumferential direction of the support ring, the sliding block is arranged in each groove in a sliding fit mode, the telescopic spring is arranged between each sliding block and each groove, the clamping rod is arranged in the middle of each sliding block, the arc-shaped clamping plate is arranged on each clamping rod, and the arc-shaped clamping pad is arranged on the inner.

As a preferred technical scheme of the invention, the transmission unit comprises a transmission shaft, a driving bevel gear, a driven bevel gear, a transmission rod, a shaft sleeve and a support rod, the transmission shaft is mounted on an output shaft of the double-shaft motor through a coupler, the driving bevel gear is mounted on the transmission shaft through a spline, the driven bevel gear is in meshed connection with the driving bevel gear, the transmission rod is mounted on the driven bevel gear, the lower end of the transmission rod is mounted on the bottom plate through a bearing, the shaft sleeve for limiting is sleeved in the middle of the transmission rod, the support rod is mounted on the shaft sleeve, and the support.

As a preferred technical scheme, the reciprocating unit comprises a cam, a rotating rod, a swinging rod, a sector gear, a limiting rod, a fixing plate, a rack plate and a reciprocating slide rail, the cam is symmetrically installed on the transmission rod through splines, a sliding groove is formed in the outer wall of the cam, the rotating rod is arranged in the sliding groove, the rotating rod is installed on the swinging rod in a rotating fit mode, the sector gear is installed at the right end of the swinging rod, the limiting rod is installed in the middle of the sector gear in a rotating fit mode, the limiting rod is fixedly installed on the fixing plate, the rack plate is connected to the right end of the sector gear in a gear meshing mode, the rack plate is installed in the reciprocating slide rail in a sliding fit mode, and the upper end of the rack plate is always in contact.

As a preferable technical scheme of the invention, the polishing unit comprises an electric rotating rod, a polishing wheel and a polishing belt, Contraband grooves are uniformly formed in the inner wall of the circular plate along the circumferential direction of the circular plate, the electric rotating rod is arranged in the Contraband groove through a bearing, the polishing wheel is arranged in the middle of the electric rotating rod, and the polishing wheels are connected through the polishing belt.

As a preferred technical scheme of the invention, the cross section of the polishing block is in a trapezoidal structure, and polishing bulges are uniformly arranged on the end surface of the polishing block.

The technical scheme has the following advantages or beneficial effects:

the invention provides a manufacturing and processing technology of a three-phase asynchronous motor cast aluminum rotor, and particularly relates to a manufacturing and processing device of a three-phase asynchronous motor cast aluminum rotor, which comprises the following steps: the locking nut and the locking screw are matched to lock the cast aluminum rotor from the middle part of the cast aluminum rotor, the clamping unit can stably clamp and support the cast aluminum rotor from the outer wall of the cast aluminum rotor, the stability of the cast aluminum rotor is favorably improved, the cast aluminum rotor can be prevented from shaking when polishing end teeth of the cast aluminum rotor, the polishing quality of the end teeth is favorably improved, the friction force of the cast aluminum rotor during rotation can be reduced, and the noise pollution of a three-phase asynchronous motor is favorably reduced; the grinding tables at the upper end and the lower end of the cast aluminum rotor can simultaneously reciprocate up and down by matching the transmission unit and the reciprocating unit, end teeth at the upper end and the lower end of the cast aluminum rotor can be simultaneously ground, the grinding efficiency can be improved, the grinding time can be saved, the grinding unit can circumferentially grind the end teeth of the cast aluminum rotor, and the smoothness of the surface of the cast aluminum rotor can be improved.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a process flow diagram of a manufacturing process of a cast-aluminum rotor of a three-phase asynchronous motor according to the present invention;

FIG. 2 is a schematic perspective view of a manufacturing and processing apparatus for a cast-aluminum rotor of a three-phase asynchronous motor according to the present invention;

FIG. 3 is a schematic cross-sectional view of a manufacturing and processing device for a cast aluminum rotor of a three-phase asynchronous motor according to the present invention;

FIG. 4 is a schematic perspective view of a part of a manufacturing and processing device for a cast-aluminum rotor of a three-phase asynchronous motor according to the present invention;

FIG. 5 is a schematic diagram of a horizontal cross-section of a clamping unit provided in the present invention;

FIG. 6 is a schematic view of a horizontal cross-section of a polishing unit according to the present invention;

fig. 7 is a schematic perspective view of a cast aluminum rotor according to the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to the attached drawings 1-7, the manufacturing and processing technology for the cast-aluminum rotor of the three-phase asynchronous motor uses a manufacturing and processing device for the cast-aluminum rotor of the three-phase asynchronous motor, the manufacturing and processing device for the cast-aluminum rotor of the three-phase asynchronous motor comprises a bottom plate 1, a supporting mechanism 2 and a polishing mechanism 3, the bottom plate 1 is of a disc-shaped structure, the supporting mechanism 2 is symmetrically installed on the upper end face of the bottom plate 1, and the polishing mechanism 3 is installed on the supporting mechanism 2.

When the cast aluminum rotor manufacturing and processing device for the three-phase asynchronous motor is used for processing the cast aluminum rotor, the method specifically comprises the following steps:

s1: placing a rotor: manually vertically placing a cast-aluminum rotor of the three-phase asynchronous motor to be processed on a polishing table 35;

s2: clamping and locking: the cast aluminum rotor is locked and limited through the locking screw rod 25 and the locking nut 26, and is stably clamped from the outer wall of the cast aluminum rotor through the clamping unit 27, so that the stability of the cast aluminum rotor is improved;

s3: and (3) reciprocating polishing: after the cast aluminum rotor is fixed, the transmission unit 33 and the reciprocating unit 34 are matched to drive the grinding table 35 to reciprocate up and down, and the grinding block 37 and the grinding unit 39 are matched to grind and flatten the upper end teeth and the lower end teeth of the cast aluminum rotor in a reciprocating manner, so that the surface smoothness of the end teeth is improved, and the friction force of the end teeth and the noise generated when the motor rotates are reduced;

s4: rotor collection: and after the end teeth of the cast aluminum rotor are polished smoothly, the cast aluminum rotor is taken down from the polishing platform 35, and is collected and managed uniformly.

The supporting mechanism 2 comprises side plates 21, a supporting top plate 22, supporting rods 23, limiting plates 24, locking screws 25, locking nuts 26 and clamping units 27, the side plates 21 are symmetrically installed on the upper end face of the bottom plate 1, the supporting top plate 22 is installed on the upper end face of the side plate 21, the supporting top plate 22 is of a disc-shaped structure, the supporting rods 23 are evenly installed in the middle of the lower end face of the supporting top plate 22 along the circumferential direction of the supporting top plate, the limiting plates 24 are symmetrically arranged on the supporting rods 23, the locking screws 25 are installed in the middle of the limiting plates 24, the locking nuts 26 are symmetrically installed on the locking screws 25 in a thread fit mode, the clamping units 27 are arranged between the two limiting plates 24, the clamping units 27 are fixedly installed in the middle of the supporting rods 23, during specific work, the side plates 21 play a role of supporting the supporting top plate 22, the supporting rods 23 are connected with the limiting plates 24 at the, the clamping unit 27 can stably clamp and support the cast aluminum rotor from the outer wall of the cast aluminum rotor, so that the stability of the cast aluminum rotor is improved, the cast aluminum rotor can be prevented from shaking when being polished by end teeth of the cast aluminum rotor, the polishing quality of the end teeth is improved, the friction force generated when the cast aluminum rotor rotates can be reduced, and the noise pollution of a three-phase asynchronous motor is reduced.

The clamping unit 27 comprises a support ring 271, an electric slider 272, an expansion spring 273, a clamping rod 274, an arc-shaped clamping plate 275 and an arc-shaped clamping pad 276, wherein the support ring 271 is fixedly arranged in the middle of the support rod 23, grooves are uniformly formed in the inner wall of the support ring 271 along the circumferential direction of the support ring, the electric slider 272 is arranged in each groove in a sliding fit manner, the expansion spring 273 is arranged between the electric slider 272 and each groove, the clamping rod 274 is arranged in the middle of the electric slider 272, the arc-shaped clamping plate 275 is arranged on the clamping rod 274, the arc-shaped clamping pad 276 is arranged on the inner wall of the arc-shaped clamping plate 275, when the aluminum casting rotor is in specific work, the arc-shaped pad 276 plays a role in protecting the aluminum casting rotor after being placed on the polishing platform 35 and locked and fixed by the locking screw 25, the expansion spring 273 plays a buffering role, the, the arc-shaped clamping plates 275 can be contacted with the cast aluminum rotor by sliding the electric sliding blocks 271 outwards in the supporting rings 271, and the cast aluminum rotor is clamped and fixed from the outside by simultaneously clamping the plurality of arc-shaped clamping plates 275 which are arranged in the circumferential direction inwards.

The polishing mechanism 3 comprises a transverse plate 31, a double-shaft motor 32, a transmission unit 33, a reciprocating unit 34, a polishing table 35, a return spring 36, a polishing block 37, a circular plate 38 and a polishing unit 39, the transverse plate 31 is arranged in the middle of the upper end surface of the supporting top plate 22, a through groove is formed in the middle of the transverse plate 31, the double-shaft motor 32 is arranged in the through groove through a motor base, the transmission unit 33 is connected onto an output shaft of the double-shaft motor 32, the reciprocating unit 34 is symmetrically arranged on the transmission unit 33, the polishing table 35 is connected onto the reciprocating unit 34, the polishing table 35 is of a disc-shaped structure with a circular hole in the middle, the polishing table 35 is arranged on the supporting rod 23 in a sliding fit manner, the return spring 36 is uniformly arranged on the lower end surface of the polishing table 35 along the circumferential direction, the polishing block 37 is uniformly arranged on the upper end surface of the polishing table 35 along, the circular ring plate 38 is arranged on the grinding table 35, the grinding unit 39 is arranged on the circular ring plate 38 in a rotation fit mode, the cross section of the grinding block 37 is in a trapezoidal structure, grinding protrusions are uniformly arranged on the end surface of the grinding block 37, when the double-shaft motor 32 works in detail, the transverse plate 31 plays a role of supporting the double-shaft motor 32, the transmission unit 33 can simultaneously provide rotation driving force for the reciprocating units 34 on two sides, the reciprocating units 34 can enable the grinding tables 35 on the upper end and the lower end of the cast aluminum rotor to do up-and-down reciprocating motion simultaneously, end teeth on the upper end and the lower end of the cast aluminum rotor can be ground simultaneously, grinding efficiency is improved, grinding time is saved, the cross section of the grinding block 37 on the grinding table 35 is in a trapezoidal structure and can be attached to the end teeth on the cast aluminum rotor, the grinding protrusion is arranged on the grinding block 37, the grinding block 37 can be rubbed up and down in a reciprocating mode in, the purpose of polishing the end teeth of the cast aluminum rotor is achieved, the reset spring 36 plays a role of providing reset elasticity for the polishing platform 35 to do up-and-down reciprocating motion, and the polishing unit 39 can circumferentially polish the end teeth of the cast aluminum rotor, so that the smoothness of the surface of the cast aluminum rotor is improved.

The transmission unit 33 comprises a transmission shaft 331, a driving bevel gear 332, a driven bevel gear 333, a transmission rod 334, a shaft sleeve 335 and a support rod 336, the transmission shaft 331 is mounted on an output shaft of the double-shaft motor 32 through a coupler, the driving bevel gear 332 is mounted on the transmission shaft 331 through a spline, the driven bevel gear 333 is connected to the driving bevel gear 332 in a meshing manner, the transmission rod 334 is mounted on the driven bevel gear 333, the lower end of the transmission rod 334 is mounted on the bottom plate 1 through a bearing, the shaft sleeve 335 for limiting is sleeved in the middle of the transmission rod 334, the support rod 336 is mounted on the shaft sleeve 335 and is fixedly mounted in the middle of the side plate 21, when the transmission unit works specifically, the transmission shaft 331 is driven by the double-shaft motor 32 to rotate to drive the driving bevel gear 332 mounted on the transmission shaft 331 to rotate, therefore, the purpose of providing the rotation driving force for the cams 341 on both sides is achieved, and the shaft sleeve 335 and the supporting rod 336 play a role in supporting and limiting the transmission rod 334, so that the transmission rod 334 rotates more stably.

The reciprocating unit 34 includes a cam 341, a rotating rod 342, a swinging rod 343, a sector gear 344, a limiting rod 345, a fixed plate 346, a rack plate 347 and a reciprocating slide rail 348, the cam 341 is symmetrically installed on the transmission rod 334 through splines, a sliding slot is formed on the outer wall of the cam 341, the rotating rod 342 is arranged in the sliding slot, the sector gear 344 is installed on the swinging rod 343 through a rotation fit manner, the limiting rod 345 is installed at the middle part of the sector gear 344 through a rotation fit manner, the limiting rod 345 is fixedly installed on the fixed plate 346, the rack plate 347 is connected at the right end of the sector gear 344 through a gear meshing manner, the rack plate 347 is installed in the reciprocating slide rail 348 through a sliding fit manner, the upper end of the rack plate 347 is always in contact with the polishing table 35, during specific work, an arc-shaped sliding slot is formed in the cam 341, the rotating rod 342 is driven by the transmission rod 334 to rotate so that the rotating rod 342 can improve the up, further, the swinging rod 343 can swing up and down, the limiting rod 345 can limit the swinging rod 343, the fixing plate 346 can support the limiting rod 345, and the sector gear 344 is mounted on the swinging rod 343, so that the swinging rod 343 can swing up and down to enable the sector gear 344 to swing up and down, the sector gear 344 is meshed with the rack plate 347, the rack plate 347 can reciprocate up and down in the reciprocating slide rail 348, the upper end of the rack plate 347 is always in contact with the grinding table 35, and therefore the purpose of reciprocating up and down of the grinding table 35 can be achieved through the reciprocating up and down of the rack plate 347.

The polishing unit 39 comprises an electric rotating rod 391, a polishing wheel 392 and a polishing belt 393, wherein Contraband-shaped grooves are uniformly formed in the inner wall of the circular ring plate 38 along the circumferential direction of the inner wall, the electric rotating rod 391 is installed in the Contraband-shaped groove through a bearing, the middle of the electric rotating rod 391 is provided with the polishing wheel 392, the polishing wheel 392 is connected through the polishing belt 393, during specific work, the polishing wheel 392 is driven by the electric rotating rod 391 to rotate, the polishing belt 393 can be driven under the belt drive principle, the polishing belt 393 is in contact with the end teeth of the cast aluminum rotor, and the circumferential polishing of the end teeth of the cast aluminum rotor is achieved.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.